upstream/ipython Files · IPython/extensions/tests/test_storemagic.py

a nicer error message when using %pylab magic...

a nicer error message when using %pylab magic If the user specified an unsupported backend, there was no indication for what the valid names were. Error message prior to this commit: In[1]: %pylab xxx ERROR: Backend u'xxx' not supported. after this commit: In[1]: %pylab xxx ERROR: Backend 'xxx' not supported. Supported backends are: gtk inline osx qt qt4 tk wx

Thomas Kluyver - - Load All Authors

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             test_storemagic.py
        
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      import tempfile, os

      import nose.tools as nt

      ip = get_ipython()

      ip.magic('load_ext storemagic')

      def test_store_restore():

          ip.user_ns['foo'] = 78

          ip.magic('alias bar echo "hello"')

          tmpd = tempfile.mkdtemp()

          ip.magic('cd ' + tmpd)

          ip.magic('store foo')

          ip.magic('store bar')

          # Check storing

          nt.assert_equal(ip.db['autorestore/foo'], 78)

          nt.assert_in('bar', ip.db['stored_aliases'])

          # Remove those items

          ip.user_ns.pop('foo', None)

          ip.alias_manager.undefine_alias('bar')

          ip.magic('cd -')

          ip.user_ns['_dh'][:] = []

          # Check restoring

          ip.magic('store -r')

          nt.assert_equal(ip.user_ns['foo'], 78)

          nt.assert_in('bar', ip.alias_manager.alias_table)

          nt.assert_in(tmpd, ip.user_ns['_dh'])

          os.rmdir(tmpd)

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				import tempfile, os

				import nose.tools as nt

				ip = get_ipython()
				ip.magic('load_ext storemagic')

				def test_store_restore():
				ip.user_ns['foo'] = 78
				ip.magic('alias bar echo "hello"')
				tmpd = tempfile.mkdtemp()
				ip.magic('cd ' + tmpd)
				ip.magic('store foo')
				ip.magic('store bar')

				# Check storing
				nt.assert_equal(ip.db['autorestore/foo'], 78)
				nt.assert_in('bar', ip.db['stored_aliases'])

				# Remove those items
				ip.user_ns.pop('foo', None)
				ip.alias_manager.undefine_alias('bar')
				ip.magic('cd -')
				ip.user_ns['_dh'][:] = []

				# Check restoring
				ip.magic('store -r')
				nt.assert_equal(ip.user_ns['foo'], 78)
				nt.assert_in('bar', ip.alias_manager.alias_table)
				nt.assert_in(tmpd, ip.user_ns['_dh'])

				os.rmdir(tmpd)